update style

packages/artplayer-plugin-control/src/style.less

@@ -35,6 +35,10 @@
 
             .art-control-progress {
                 width: 100%;
+
+                .art-control-progress-inner, .art-progress-loaded, .art-progress-played {
+                    border-radius: 5px;
+                }
             }
 
             .art-progress-tip {